Peabody Individual Achievement Test Revised PIATR By Melissa

Peabody Individual Achievement Test. Revised (PIAT-R) By: Melissa Stevenson, Rachel Piereson, Tracy Tossi, Courtney Ruhno, Katie Guikema, Lindsey Johnson, and Caroline Brohn

Basic Information Name: Peabody Individual Achievement Test- Revised (PIAT-R) Cost: -$461. 00 per complete kit including 4 easels, 50 combined test record and written expression, booklists, NU Manual, carry bag. -$630. 00 per complete kit with ASSIST-includes ASSIST kit, 4 easels, 50 combined test record and written expression, booklists, NU Manual, carry bag. General Purpose: The purpose of PIAT-R, is to measure the academic achievement of students ages 5 through 22 years old. It is made up of six subtests. The PIAT-R is designed to be employed in an educational or research setting. It offers a multiplechoice format which makes it ideal for assessing low individuals. Administration Time: Approximately 50 to 70 minutes Domains Assessed: -General Information -Reading Recognition -Reading Comprehension -Written Expression -Mathematics -Spelling

Description and Example of Assessment Task: (Reading) General Information-100 open-ended questions -Areas assessed: science, social studies, fine arts, humanities, and recreation -Example questions: “What is the chemical formula of water? ” or “Name a color”.

Reading Subtest Reading Recognition-100 items -Divided into two parts *Part 1 - are pre-reading activities and are in multiple choice format *Part 2 - the subject reads aloud single represented words

What the subject sees: Part 1 Part 2

Reading Subtest Reading Comprehension-82 items -Each item requires two plates *The first plate the subject will read silently *The second page the subject will choose the best picture out of a series of four that best represents the meaning of the sentence that they read.

What the subject sees: Plate 1: The pony has a big hat on its head. Plate 2:

Demonstration of the test: PIAT-R Demonstration

Scoring Procedures: Administration: ● Untimed but not unlimited time o Administer in order of General Information, Reading Recognition, then Reading Comprehension Scoring: ● Determine starting point based on background information ● Establish Basal item and Ceiling item before determining the Raw Score o Basal item- lowest item of the highest five consecutive correct responses. o Ceiling item- highest item of the lowest seven consecutive responses containing five errors. o If examinee responds incorrectly to an item after the starting point without establishing the Basal item, the examiner must proceed backward in the items until five consecutive items are answered correctly ● Raw Score= Ceiling item minus errors between the Basal item and Ceiling item ● Special circumstances regarding reading recognition and reading comprehension

Standardization Sample -The sample contained over 1, 000 students grades K-12, from four regions of the continental US: West, South, North Central and East. - The sample was selected with the same proportional distribution as the US census data, based on the dimensions of sex, socioeconomic status and race or ethnic group. -Did not include students with special needs or students from Alaska or Hawaii.

Reliability

Validity ●Content Validity: o Extensive developmental process for each subtest. o High reliability scores: § Kuder-Richardson § Split-Half ●Construct Validity: o Correlated scores with the original PIAT and the Peabody Picture Vocabulary Test-Revised (PPVT-R) o Median correlations between PIAT-R and PPVT-R range from. 50 to. 72

Considerations -Examiner must be very familiar with procedures and scoring protocol -Basal and ceiling scoring -Reading comprehension portion? -Reliable test with proper execution -Standardization sample over 25 years old -Special needs students not included